Heart valve structure and function in development and disease.

Heart valve structure and function in development and disease.
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DOI:
10.1146/annurev-physiol-012110-142145
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发表时间:
2011
影响因子:
18.2
通讯作者:
Yutzey KE
Yutzey KE
中科院分区:
医学1区
文献类型:
--
作者:
Hinton RB;Yutzey KE

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成熟的心脏瓣膜由高度组织化的细胞外基质(ECM)和瓣膜间质细胞(VIC)组成,周围有内皮细胞层。瓣膜的细胞外基质分为弹性蛋白、蛋白多糖和胶原丰富的层,这些层赋予瓣叶和支撑结构不同的生物力学性能。信号通路在初级瓣膜形成以及随着时间的推移维持瓣膜结构和功能方面具有关键作用。动物模型为研究瓣膜发育和疾病过程提供了强大的工具。瓣膜病是一个重大的公共卫生问题,越来越多的证据表明其发病机制异常发育。需要进一步的研究来确定潜在发病机制的调控途径相互作用,以便为新的治疗方法创造新的途径。
The mature heart valves are made up of highly organized extracellular matrix (ECM) and valve interstitial cells (VIC) surrounded by an endothelial cell layer. The ECM of the valves is stratified into elastin-, proteoglycan- and collagen-rich layers that confer distinct biomechanical properties to the leaflets and supporting structures. Signaling pathways have critical functions in primary valvulogenesis as well as maintenance of valve structure and function over time. Animal models provide powerful tools to study valve development and disease processes. Valve disease is a significant public health problem and increasing evidence implicates aberrant developmental mechanisms underlying pathogenesis. Further studies are necessary to determine regulatory pathway interactions underlying pathogenesis in order to generate new avenues for novel therapeutics.
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